When the AFP client support is removed from Mac OS X next year, this will all but end network access to files stored on PPC machines. SMB authentication doesn't work, so Guest access over SMB seems to be the only option. Unless someone can suggest anything else, this looks like the end of the road for my two 2005 Power Mac G5s (4TB and 16GB RAM each)and my G4 Cube (750GB and maxed out RAM). Anyone any ideas the years of files I have on those machines can be accessed in future?